vcredist_x64_2008_SP1_x64.exe is a self-extracting executable file that includes the Visual C++ 2008 SP1 runtime libraries for 64-bit (x64) versions of Windows. These libraries are required for many applications developed with Visual C++ to run properly on a Windows system.
"The program can't start because MSVCR90.dll is missing from your computer."
Locate any existing listings for Microsoft Visual C++ 2008 Redistributable .